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  1. #1
    Join Date
    Feb 2004
    Posts
    22

    Unanswered: RAW Device or Veritas file manager ?

    Hi,

    1. We are building an OLTP web based application on Oracle 9i.

    2. Hardware support vendors insist that Veritas file manager will do good for performance ?

    What I would like to know is

    1. Is Veritas file manager better than RAW device ? What is the differnce as far as OLTP system is concerned ?

    2. If test server stores data on RAW device, then can we import it on to prodcution server which as Veritas file manager without any hiccups.

    Any other infomation in this regard is greatly appreciated.

    Please advise.

    AravindG

  2. #2
    Join Date
    Oct 2003
    Location
    Slovakia
    Posts
    482

    Re: RAW Device or Veritas file manager ?

    Originally posted by aravindvin
    Hi,

    1. We are building an OLTP web based application on Oracle 9i.

    2. Hardware support vendors insist that Veritas file manager will do good for performance ?

    What I would like to know is

    1. Is Veritas file manager better than RAW device ? What is the differnce as far as OLTP system is concerned ?

    2. If test server stores data on RAW device, then can we import it on to prodcution server which as Veritas file manager without any hiccups.

    Any other infomation in this regard is greatly appreciated.

    Please advise.

    AravindG

    1. Is Veritas file manager better than RAW device ? - YES much better

    2. If test server stores data on RAW device, then can we import it on to prodcution server which as Veritas file manager without any hiccups.

    I "import" means using exp/imp then answer is YES. If "import" means creating raw device on production system and then use "dd" then answer is YES. But if the "import" means copy from raw device to files (on another machine) then answer is NO.

  3. #3
    Join Date
    Jan 2004
    Location
    Scottsdale, AZ
    Posts
    106
    Unless later versions of Veritas File Manager have changed things, it is my experience that you cannot automatically increase file size of a datafile, without first removing the file from veritas mode. This may preclude the use of autoextend. Performance, in my experience, is what aravindvin has indicated.
    "Take Control!
    Make The Choice!
    Accept The Consequences!
    Deal With The Results! "

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